| Circuit Board Location |
Part / Cross Reference # |
What Does It Does |
| U1 |
ULN2004A |
7-Channel CMOS/PMOS Input Driver - Discontinued |
| U2 |
CD4094BE |
[CMOS] Hex Buffer/Converter (Inverting) |
| U3 |
MC14052BCP |
[CMOS] Differential 4-Channel Multiplexer |
| U4 |
CD4053BE |
[CMOS] Analog Multiplexer / Demultiplexer |
| U5 |
TL084CN |
Quad Lo Noise JFET Input Op Amp |
| U6 |
TL084CN |
Quad Lo Noise JFET Input Op Amp |
| U7 |
LM317 |
(3-Lead Device) Voltage Regulator [1.2 -> 37 V, 1.5 A |
| U8 |
MC14052BCP |
[CMOS] Differential 4-Channel Multiplexer |
| U9 |
MC1445L |
|
| U10 |
CD4053BE |
[CMOS] Analog Multiplexer / Demultiplexer |
| U11 |
FLZ2762 |
|
| U12 |
EL2044CN |
|
| U13 |
CA3100E |
Op Amp |
| U14 |
LM337LZ |
(3-Lead Device) Negative Voltage Regulator, Adjustable, -1.2 -> 37 V, 100mA |
| U15 |
TL081CP |
Lo Noise JFET Input Op Amp |
| U16 |
N/A |
N/A |
| U17 |
N/A |
N/A |
| U18 |
N/A |
N/A |
| U19 |
2-8758-880 |
AMI |
| U20 |
2-8758-881 |
40-Pin Device |
| U21 |
2-8758-546 |
LSI 40-Pin Device |
| U22 |
MK14719N-05 |
40-Pin Device |
| U23 |
HM1-0168-5 |
|
| U24 |
CA3081 |
Transistor Array For Digital Segment Displays |
| U25 |
ER-1400 |
[MOS] 1400 Bit Speacial EAROM - Discontinued |
| U26 |
N/A |
N/A |
| U27 |
74LS86AN |
[TTL] Low Power Schottky Quad Exclusive OR Gate |
| U28 |
MC74HC126AN |
Hi Speed CMOS Quad Bus Buffer with 3-State Output |
| U29 |
SN74LS74AN |
[TTL] Lo Power Schottky Dual 'D Type' Flip-Flop |
| U30 |
CA3140E |
|
| U31 |
CD74HCT04E |
Hi Speed CMOS Hex Inverter |
| U32 |
CD4049UBE |
[CMOS] Hex Buffer / Converter (Inverting) |
| U33 |
SN74LS00N |
Lo Power Schottky Quad 2-Input NAND Gate |
| U34 |
SN74LS393N |
Lo Power Schottky Dual 4-Bit Binary Counter |
| U35 |
SN74LS32N |
Lo Power Schottky Quand 2-Input OR Gate |
